psychopathic, deranged, ruthless, misanthropic and manipulative nihilist who pretends to be outwardly friendly. Douma is a demon who likes to eat humans but his favorite gender of human to eat is woman. Muzan is a demon king that controls all the demons and shows no care but douma sees him as a friend not his master. He does not have real emotion he just takes them. He can regenerate his limbs except his neck.